Tag Archives: Hellas Planitia

HiRISE: Dune footprints in Hellas Planitia

These curious chevron shapes in southeast Hellas Planitia are the result of a complex story of dunes, lava, and wind. Long ago, there were large crescent-shaped (barchan) dunes that moved across this area, and at some point, there was an … Continue reading

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HiRISE: Side by side

Side by side. The objective of this observation is to examine a small channel that has cut through a crater north of Hellas Planitia. HiRISE Picture of the Day archive. [More at links]

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HiRISE: Layered bedrock to the northwest of Hellas Planitia

Layered bedrock to the northwest of Hellas Planitia. There are some very nice geologic contacts in this region. HiRISE Picture of the Day archive [More at links]

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The banded terrain on Mars

Planetary Geomorphology Image of the Month, March 1, 2019: Hannes Bernhardt (Arizona State University). An article on the banded terrain cannot be commenced by a traditional definition, as it appears to be a truly singular occurrence in the Solar System. … Continue reading

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THEMIS: Dust devil tracks in Promethei Terra

THEMIS Image of the Day, January 2, 2019. This VIS image shows a region dense with dust devil tracks (and several pedestal craters). Located in Promethei Terra, these tracks run parallel to the nearby southeastern margin of Hellas Planitia. The … Continue reading

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THEMIS: Rolling down into Argyre Planitia

THEMIS Image of the Day, November 27, 2018. Today’s VIS image shows several small channels. These channels are along the break in topography, that leads down into Argyre Planitia. Argyre Planitia and Hellas Planitia are deep basins in the southern … Continue reading

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THEMIS: Swiss-cheese weathering in old volcanic region

THEMIS Image of the Day, November 22, 2018. Amphitrites Patera is an old volcanic complex located south of Hellas Planitia. The surface in this VIS image has a unusual “Swiss-cheese” texture, one seen more commonly on the nearby south polar … Continue reading

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HiRISE: Honeycomb-textured landforms in NW Hellas Planitia

This image targets a portion of a group of honeycomb-textured landforms in northwestern Hellas Planitia, which is part of one of the largest and most ancient impact basins on Mars. In a larger Context Camera image, the individual “cells” are … Continue reading

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HiRISE: A small, well-preserved impact crater

A small, well-preserved impact crater in Hellas Planitia. Beautiful Mars series.

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HiRISE: Well-preserved 4-kilometer impact crater

Well-preserved 4-kilometer impact crater on the floor of Hellas Planitia. Why do we say “well-preserved?” Mainly due to the fact that the rim of the crater is still very visible. Beautiful Mars series.

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